package com.atguigu.gulimall.auth.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.utils.HttpUtils;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.auth.feign.MemberFeignService;
import com.atguigu.gulimall.auth.vo.MemberRespVo;
import com.atguigu.gulimall.auth.vo.SocialUser;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

import java.util.HashMap;
import java.util.Map;

@Slf4j
@Controller
public class OAuth2Controller {

    @Autowired
    MemberFeignService memberFeignService;

    /**
     * 回调接口
     * @param code
     * @return
     * @throws Exception
     */
    @GetMapping("/oauth2.0/weibo/success")
    public String weibo(@RequestParam("code") String code) throws Exception {
        // 1、根据code换取accessToken
        Map<String, String> map = new HashMap<>();
        map.put("client_id", "1133714539");
        map.put("client_secret", "f22eb330342e7f8797a7dbe173bd9424");
        map.put("grant_type", "authorization_code");
        map.put("redirect_uri", "http://auth.gulimall.com/oauth2.0/weibo/success");
        map.put("code", code);


        HttpResponse response = HttpUtils.doPost("https://api.weibo.com",
                "/oauth2/access_token",
                "post",
                new HashMap<>(),
                map,
                new HashMap<>());

        // 状态码为200请求成功
        if (response.getStatusLine().getStatusCode() == 200 ){
            // 获取到了accessToken
            String json = EntityUtils.toString(response.getEntity());
            SocialUser socialUser = JSON.parseObject(json, SocialUser.class);
            R r = memberFeignService.OAuth2login(socialUser);
            if (r.getCode() == 0) {
                MemberRespVo data = r.getData("data", new TypeReference<MemberRespVo>() {
                });
                log.info("登录成功:用户:{}",data.toString());

                // 2、登录成功跳转到首页
                return "redirect:http://gulimall.com";
            } else {
                // 注册失败
                return "redirect:http://auth.gulimall.com/login.html";
            }
        } else {
            // 请求失败
            // 注册失败
            return "redirect:http://auth.gulimall.com/login.html";
        }

//        // 2、登录成功跳转到首页
//        return "redirect:http://gulimall.com";
    }
}
